European, Iberian, Latin American and Caribbean Materials The Library holds the largest collection of Russian-language materials in the United States and the largest outside of Russia (more than 750,000 items). The Library’s Iberian, Latin American and Caribbean collections, comprising more than 10 million items (books, journals, newspapers, maps, manuscripts, photographs, posters, recordings, sheet music and other materials) are the largest and most complete in the world.
Law Library The Law Library of Congress is the world's largest law library, with more than 2.9 million volumes, including one of the world's best rare law book collections and the most complete collection of foreign legal gazettes in the United States. The Law Library contains United States congressional publications dating back to the nation's founding.